Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Gregory Lynn Nigh, ND, LAC

Q: What is the NPI number for Gregory Nigh?

The National Provider Identifier (NPI) for Gregory Nigh is 1841224615, a Type 1 (individual) record in the CMS NPPES registry.

Naturopath in Portland, OR · enumerated 2006.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1841224615

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Registry record

Entity type Individual (Type 1)

Name Dr. Gregory Lynn Nigh

Credential ND, LAC

Sex Male

Practice address 1221 Se Madison St, Portland, OR, 97214

Phone (503) 719-4806

Fax (503) 719-4357

Enumeration date Jul 10, 2006

Last updated in NPPES Dec 14, 2015

Taxonomy & licenses

171100000X Acupuncturist Other Service Providers · License AC00642 (OR) Secondary

175F00000X Naturopath Other Service Providers · License 1143 (OR) Primary

LAC · Licensed Acupuncturist: A practitioner licensed to perform acupuncture. About the LAC credential

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

Where does Gregory Nigh practice?

The practice location on file with NPPES is in Portland, OR. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Gregory Nigh?

The National Provider Identifier (NPI) for Gregory Nigh is 1841224615, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-12-14.